In a distant future after the Neutron Wars, the world is divided into a barbaric collection of city states, surrounded by wastelands where only mutant cannibals and independent warriors, known as Range Guides, can live. The city state of Helix is planning war on another, Tritan. Hoping to prove the superiority of their laser-equipped dirt bikes, they create a new pastime - Deathsport.

References:
https://en.wikipedia.org/wiki/Deathsport